diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index cece815..79a2346 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -12,6 +12,8 @@ server {
     }
 
     location / {
+        # root /usr/share/nginx/html;
+        # index index.html index.htm;
         return 301 https://$host$request_uri;
     }
 }
@@ -19,9 +21,12 @@ server {
 server{
     listen 443 ssl;
     server_name comp.soict.io;
-    ssl_certificate     /etc/nginx/ssl/nginx-selfsigned.crt;
-    ssl_certificate_key /etc/nginx/ssl/nginx-selfsigned.key;
+    ssl_certificate     /etc/letsencrypt/live/comp.soict.io/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/comp.soict.io/privkey.pem;
 
+    ssl_protocols       TLSv1.2 TLSv1.3;
+    ssl_ciphers         HIGH:!aNULL:!MD5;
+    
     set $backend_server 172.18.10.8:8080;
     
     root /usr/share/nginx/html;